You are managing a project to modernize the infrastructure of facilities at an Army base with energy and cost reducing technology. One of your metrics is earned value. What makes this an effective metric?

1. the data provides a unique set of data not offered by other metrics and is cost effective to collect.
2. It indicates the health of the program and how well the organizational goals are being met.
3. it provides insight that drives appropriate action and can be collected in a timely manner.